Vaughan, J. Is there salvation outside the Church? International Catholic Truth Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVaughan, John. Is There Salvation Outside the Church? Brooklyn, N.Y.: International Catholic Truth Society.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVaughan, John. Is There Salvation Outside the Church? International Catholic Truth Society.
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